CN103063119B - A kind of gear key groove angle detection ruler - Google Patents
A kind of gear key groove angle detection ruler Download PDFInfo
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- CN103063119B CN103063119B CN201310014380.XA CN201310014380A CN103063119B CN 103063119 B CN103063119 B CN 103063119B CN 201310014380 A CN201310014380 A CN 201310014380A CN 103063119 B CN103063119 B CN 103063119B
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- vertical
- axle sleeve
- slide
- alidade
- cross slide
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- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 238000012360 testing method Methods 0.000 claims description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 12
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A kind of gear key groove angle detection ruler, comprise axle sleeve, and be located in the central shaft that also can rotate relative to this axle sleeve in this axle sleeve, the upper end of described axle sleeve is provided with index dial, the end face of this index dial is carved with angle groove, it is outer and be provided with alidade that described index dial is stretched out in the upper end of described central shaft, the end face of this alidade is carved with the vernier groove matched with described angle groove, the outer circumference surface of described axle sleeve is embedded with first flat key relative with the zero line of described angle groove, the middle part of described alidade is installed with slide, this slide is laterally slidably equipped with cross slide, this cross slide is vertically slidably equipped with vertical slide plate, this vertical slide plate is provided with detection head.Beneficial effect of the present invention is: adopt said structure, detect quick and convenient, and to be matched with alidade by index dial and carry out reading, and not only accuracy of detection is high, and can also direct readout value, uses very convenient.
Description
(1) technical field
The present invention relates to a kind of gear testing instrument, particularly relate to a kind of gear key groove angle detection ruler.
(2) background technology
No matter engine timing gear is that spur gear or spiral gear are generally provided with keyway and timing marks, and keyway is to position when spur gear or spiral gear being installed on engine, and the angle between keyway and timing marks tooth is very crucial size, it is directly connected to the duration of ignition and the order of engine, angular error is directly connected to too greatly the watt level of engine, can cause engine damage time serious.At present, several detection methods detected the angle between keyway and tooth are scribing inspections, projection check, three-dimensional inspection and use master gear comparison check, there is the shortcoming that detection angles error is large, directly can not read angular values in what these detection methods had, the not only detection workpiece had is wasted time and energy, and requires higher to inspectoral operative skill.
(3) summary of the invention
There is above-mentioned deficiency to overcome in prior art, the invention provides that a kind of structure is simple, detection speed is fast, accuracy of detection is high, can the gear key groove angle detection ruler of direct readout value, this gear key groove angle detection ruler also checked the symmetry of keyway.
The technical scheme that the present invention solves its technical matters is: a kind of gear key groove angle detection ruler, comprise axle sleeve, and be located in the central shaft that also can rotate relative to this axle sleeve in this axle sleeve, the upper end of described axle sleeve is provided with index dial, the end face of this index dial is carved with angle groove, it is outer and be provided with alidade that described index dial is stretched out in the upper end of described central shaft, the end face of this alidade is carved with the vernier groove matched with described angle groove, the outer circumference surface of described axle sleeve is embedded with first flat key relative with the zero line of described angle groove, the middle part of described alidade is installed with slide, this slide is laterally slidably equipped with cross slide, this cross slide is vertically slidably equipped with vertical slide plate, this vertical slide plate is provided with detection head.
Further, outside described axle sleeve, be set with comprehensive feeler gauge, the inwall of this comprehensive feeler gauge be arranged with the keyway matched with described first flat key, the outer circumference surface of this comprehensive feeler gauge be embedded with second flat key relative with the zero line of described angle groove.Comprehensive feeler gauge can be changed according to the size of gear, applied widely.
Further, also comprise high a pair block, this is arranged on described vertical slide plate to the afterbody of high block, and this is to high portion to the head of high block, and this is plane to the lower surface in high portion.To the setting of high block, be convenient to detect spiral gear.
Further, the horizontal mounting hole being provided with an axis and paralleling with described cross slide in the lower end of described vertical slide plate, the described afterbody to high block inserts in described mounting hole, is convenient to install.
Further, described detection head comprises the installation portion that can insert in described mounting hole and the one end being positioned at this installation portion and the test section perpendicular with this installation portion, is convenient to detect.
Further, described slide comprises the pedestal fixed with described alidade, the front side of this pedestal is laterally arranged with horizontal concrete chute backward, described cross slide can along described horizontal concrete chute horizontal sliding, the upper/lower terminal of the front side of described horizontal concrete chute is provided with the horizontal pressing plate fixed with described pedestal, rational in infrastructure.
Further, the wall vertical of described pedestal is to being equipped with vertical threaded hole, and in this vertical threaded hole, spiral shell is provided with vertical lock-screw, and the end of this vertical lock-screw is against on described cross slide through after described vertical threaded hole.When detecting, by vertical lock-screw, cross slide being fixed, being convenient to reading.
Further, the front side of the tail end of described cross slide is vertically arranged with vertical chute backward, described vertical slide plate can along the vertical slippage of described vertical chute, and the left and right two ends of the front side of described vertical chute are provided with the vertical pressing plate fixed with described cross slide, rational in infrastructure.
Further, the end face of the tail end of described cross slide is laterally equipped with lateral threaded holes, and in this lateral threaded holes, spiral shell is provided with horizontal lock-screw, and the end of this horizontal lock-screw is against on described vertical slide plate through after described lateral threaded holes.When detecting, by horizontal lock-screw, vertical slide plate being fixed, thus vertical slide plate is fixed on appropriate location.
The present invention in use, when detecting spur gear, spur gear is sleeved on outside axle sleeve, the first flat key outside axle sleeve is placed in the keyway of spur gear, if when the internal diameter of axle sleeve and spur gear does not match, also can be set with outward a comprehensive feeler gauge at axle sleeve, the first flat key outside axle sleeve is placed in the keyway of comprehensive feeler gauge, and the second flat key outside comprehensive feeler gauge is placed in the keyway of spur gear, such outfit comprehensive feeler gauge can detect the spur gear of various model, now the center line of the keyway of spur gear is relative with the zero line of index dial upper angle groove, then cross slide and vertical slide plate is regulated, the detection head on vertical slide plate is made to be positioned at the outside of the teeth groove of spur gear, vertical slide plate is fixed, then can measure, when measuring, rotate cross slide thus make the required measurement teeth groove of cross slide collimation gear, cross slide rotates thus drives alidade also to rotate, then promoting vertical slide plate makes cross slide slide along slide, thus detection head to be pushed in teeth groove and to make detection head be adjacent to teeth groove, locking cross slide, reading can be carried out, can directly be read by the vernier groove on alidade and the right position of the angle groove on index dial " degree " and " dividing " of angle, its number reading method is identical with vernier caliper, do not repeat them here.Due to the reading that to be matched with index dial by alidade, accuracy of detection is high.
The angle value that the present invention measures or the angle for keyway and timing marks tooth, or add or deduct a fixed value for the angle of keyway and timing marks tooth, its concrete angle value should be determined by keyway and the position marked between tooth.Because tooth peak or the tooth space centerline of a wherein tooth of general timing marks dot center line and gear coincide, if when timing marks center line overlaps with tooth space centerline, take measurement of an angle and be the angle of keyway and timing marks tooth; If when timing marks center line overlaps with tooth peak center line, the angle of keyway and timing marks tooth is that what to be surveyed is adjacent which teeth groove in gauge point both sides when should see measurement, if what survey is teeth groove near keyway, then keyway and timing marks tooth angle=take measurement of an angle-90 °/Z; If what survey is teeth groove away from keyway, then keyway and timing marks tooth angle=take measurement of an angle+90 °/Z; Specifically be formulated as: keyway and timing marks tooth angle=take measurement of an angle ± 90 °/Z, wherein Z is the gear number of teeth.When gear filled in by comprehensive feeler gauge, can the second flat key fill in keyway can know that whether keyway is symmetrical, if the second flat key can fill in keyway, shows that keyway is symmetrical, otherwise, show that keyway is asymmetric, thus have detected the symmetry of keyway.
When detecting spiral gear, the mode on axle sleeve that is installed to by spiral gear is identical with the mounting means of spur gear, does not repeat them here, and then will be arranged on vertical slide plate to high block, regulate cross slide and vertical slide plate, make to high block to high portion by flat tested helical gear end face, then lock vertical slide plate, take off high block, change detection head, can measure, its metering system is identical with the metering system of spur gear, does not repeat them here.
Beneficial effect of the present invention is: adopt said structure, detect quick and convenient, and to be matched with alidade by index dial and carry out reading, and not only accuracy of detection is high, and can also direct readout value, uses very convenient.
(4) accompanying drawing explanation
Fig. 1 is vertical view of the present invention.
Fig. 2 is the A-A cut-open view in Fig. 1.
Fig. 3 is right view of the present invention.
Fig. 4 is the front view to high block of the present invention.
Fig. 5 is the left view to high block of the present invention.
Fig. 6 is the structural representation that the present invention installs detecting head.
Fig. 7 is the structural representation that the present invention installs to high block.
(5) embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment one
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 6, a kind of gear key groove angle detection ruler, comprise axle sleeve 1, and be located in the central shaft 2 that also can rotate relative to this axle sleeve 1 in this axle sleeve 1, the upper end of described axle sleeve 1 is provided with index dial 3, the end face of this index dial 3 is carved with angle groove 4, it is outer and be provided with alidade 5 that described index dial 3 is stretched out in the upper end of described central shaft 2, the end face of this alidade 5 is carved with the vernier groove 6 matched with described angle groove 4, the outer circumference surface of described axle sleeve 1 is embedded with first flat key 7 relative with the zero line of described angle groove 4, the middle part of described alidade 5 is installed with slide 8, this slide 8 is laterally slidably equipped with cross slide 9, this cross slide 9 is vertically slidably equipped with vertical slide plate 10, this vertical slide plate 10 is provided with detection head 11.
Be set with comprehensive feeler gauge 12 outside described axle sleeve 1, the inwall of this comprehensive feeler gauge 12 be arranged with the keyway 13 matched with described first flat key 7, the outer circumference surface of this comprehensive feeler gauge 12 be embedded with second flat key 14 relative with the zero line of described angle groove 4.Comprehensive feeler gauge 12 can be changed according to the size of gear, applied widely.
The horizontal mounting hole 15 being provided with an axis and paralleling with described cross slide 9 in the lower end of described vertical slide plate 10, described detection head 11 comprises the installation portion that can insert in described mounting hole 15 and the one end being positioned at this installation portion and the test section perpendicular with this installation portion, thus make detection head 11 T-shaped, be convenient to detect.
Described slide 8 comprises the pedestal fixed with described alidade 5, the front side of this pedestal is laterally arranged with horizontal concrete chute backward, described cross slide 9 can along described horizontal concrete chute horizontal sliding, the upper/lower terminal of the front side of described horizontal concrete chute is provided with the horizontal pressing plate 16 fixed with described pedestal, rational in infrastructure.
The wall vertical of described pedestal is to being equipped with vertical threaded hole, and in this vertical threaded hole, spiral shell is provided with vertical lock-screw 17, and the end of this vertical lock-screw 17 is against on described cross slide 9 through after described vertical threaded hole.When detecting, being fixed by vertical lock-screw 17 pairs of cross slides 9, being convenient to reading.
The front side of the tail end of described cross slide 9 is vertically arranged with vertical chute backward, described vertical slide plate 10 can along the vertical slippage of described vertical chute, the left and right two ends of the front side of described vertical chute are provided with the vertical pressing plate 18 fixed with described cross slide 9, rational in infrastructure.
The end face of the tail end of described cross slide 9 is laterally equipped with lateral threaded holes, and in this lateral threaded holes, spiral shell is provided with horizontal lock-screw 19, and the end of this horizontal lock-screw 19 is against on described vertical slide plate 10 through after described lateral threaded holes.When detecting, by horizontal lock-screw 19, vertical slide plate 10 being fixed, thus vertical slide plate 10 is fixed on appropriate location.
The present invention mainly for detection of spur gear keyway and mark tooth between angle, in use, gear under test 20 in Fig. 6 is spur gear, gear under test 20 is sleeved on outside axle sleeve 1, the first flat key 7 outside axle sleeve 1 is placed in the keyway of gear under test 20, if when axle sleeve 1 does not match with the internal diameter of gear under test 20, also can at the outer suit of an axle sleeve 1 comprehensive feeler gauge 12, the first flat key 7 outside axle sleeve 1 is placed in the keyway 13 of comprehensive feeler gauge 12, and the second flat key 14 outside comprehensive feeler gauge 12 is placed in the keyway of gear under test 20, the comprehensive feeler gauge 12 of such outfit one can detect the spur gear of various model, now the center line of the keyway of gear under test 20 is relative with the zero line of index dial 3 upper angle groove 4, then cross slide 9 and vertical slide plate 10 is regulated, the detection head 11 on vertical slide plate 10 is made to be positioned at the outside of the teeth groove of gear under test 20, vertical slide plate 10 is fixed, then can measure, when measuring, rotate cross slide 9 thus make cross slide 9 aim at the required measurement teeth groove of gear under test 20, cross slide 9 rotates thus drives alidade 5 also to rotate, then promoting vertical slide plate 10 makes cross slide 9 slide along slide 8, thus detection head 11 to be pushed in teeth groove and to make detection head 11 be adjacent to teeth groove, locking cross slide 9, reading can be carried out, can directly be read by the position that the vernier groove 6 on alidade 5 is right with the angle groove 4 on index dial 3 " degree " and " dividing " of angle, its number reading method is identical with vernier caliper, do not repeat them here.Due to the reading that to be matched with index dial 3 by alidade 5, accuracy of detection is high, and also index dial 3 and alidade 5 structure can be changed into angle display, reading is more directly perceived.
The angle value that the present invention measures or the angle for keyway and timing marks tooth, or add or deduct a fixed value for the angle of keyway and timing marks tooth, its concrete angle value should be determined by keyway and the position marked between tooth.Because tooth peak or the tooth space centerline of a wherein tooth of general timing marks dot center line and gear coincide, if when timing marks center line overlaps with tooth space centerline, take measurement of an angle and be the angle of keyway and timing marks tooth; If when timing marks center line overlaps with tooth peak center line, the angle of keyway and timing marks tooth is that what to be surveyed is adjacent which teeth groove in gauge point both sides when should see measurement, if what survey is teeth groove near keyway, then keyway and timing marks tooth angle=take measurement of an angle-90 °/Z; If what survey is teeth groove away from keyway, then keyway and timing marks tooth angle=take measurement of an angle+90 °/Z; Specifically be formulated as: keyway and timing marks tooth angle=take measurement of an angle ± 90 °/Z, wherein Z is the gear number of teeth.When gear filled in by comprehensive feeler gauge, can the second flat key fill in keyway can know that whether keyway is symmetrical, if the second flat key can fill in keyway, shows that keyway is symmetrical, otherwise, show that keyway is asymmetric, thus have detected the symmetry of keyway.
Embodiment two
With reference to Fig. 1 ~ Fig. 7, also comprise high a pair block 21, this is arranged on described vertical slide plate 10 to the afterbody of high block 21, and this is to high portion to the head of high block 21, and this is plane to the lower surface in high portion, and the described afterbody to high block 21 inserts in described mounting hole 15.All the other structures are identical with embodiment one with embodiment.
The present invention is mainly for detection of the angle between helical gear keyway and mark tooth, in use, gear under test 20 in Fig. 6 and Fig. 7 is spiral gear, the mode be installed to by spiral gear on axle sleeve is identical with the mounting means of spur gear in embodiment one, do not repeat them here, then will be arranged on vertical slide plate 10 to high block 21, regulate cross slide 9 and vertical slide plate 10, make the end face high portion being leaned on to flat gear under test 20 to high block 21, then vertical slide plate 10 is locked, take off high block 21, change detection head 11, can measure, its metering system is identical with the metering system of spur gear in embodiment one, do not repeat them here.
Claims (7)
1. a gear key groove angle detection ruler, it is characterized in that: comprise axle sleeve, and be located in the central shaft that also can rotate relative to this axle sleeve in this axle sleeve, the upper end of described axle sleeve is provided with index dial, the end face of this index dial is carved with angle groove, it is outer and be provided with alidade that described index dial is stretched out in the upper end of described central shaft, the end face of this alidade is carved with the vernier groove matched with described angle groove, the outer circumference surface of described axle sleeve is embedded with first flat key relative with the zero line of described angle groove, the middle part of described alidade is installed with slide, this slide is laterally slidably equipped with cross slide, this cross slide is vertically slidably equipped with vertical slide plate, this vertical slide plate is provided with detection head,
Be set with comprehensive feeler gauge outside described axle sleeve, the inwall of this comprehensive feeler gauge be arranged with the keyway matched with described first flat key, the outer circumference surface of this comprehensive feeler gauge be embedded with second flat key relative with the zero line of described angle groove;
Also comprise high a pair block, this is arranged on described vertical slide plate to the afterbody of high block, and this is to high portion to the head of high block, and this is plane to the lower surface in high portion.
2. according to gear key groove angle detection ruler according to claim 1, it is characterized in that: the horizontal mounting hole being provided with an axis and paralleling with described cross slide in the lower end of described vertical slide plate, the described afterbody to high block inserts in described mounting hole.
3. according to gear key groove angle detection ruler according to claim 2, it is characterized in that: described detection head comprises the installation portion that can insert in described mounting hole and the one end being positioned at this installation portion and the test section perpendicular with this installation portion.
4. according to the gear key groove angle detection ruler one of claims 1 to 3 Suo Shu, it is characterized in that: described slide comprises the pedestal fixed with described alidade, the front side of this pedestal is laterally arranged with horizontal concrete chute backward, described cross slide can along described horizontal concrete chute horizontal sliding, and the upper/lower terminal of the front side of described horizontal concrete chute is provided with the horizontal pressing plate fixed with described pedestal.
5. according to gear key groove angle detection ruler according to claim 4, it is characterized in that: the wall vertical of described pedestal is to being equipped with vertical threaded hole, in this vertical threaded hole, spiral shell is provided with vertical lock-screw, and the end of this vertical lock-screw is against on described cross slide through after described vertical threaded hole.
6. according to the gear key groove angle detection ruler one of claims 1 to 3 Suo Shu, it is characterized in that: the front side of the tail end of described cross slide is vertically arranged with vertical chute backward, described vertical slide plate can along the vertical slippage of described vertical chute, and the left and right two ends of the front side of described vertical chute are provided with the vertical pressing plate fixed with described cross slide.
7. according to gear key groove angle detection ruler according to claim 6, it is characterized in that: the end face of the tail end of described cross slide is laterally equipped with lateral threaded holes, in this lateral threaded holes, spiral shell is provided with horizontal lock-screw, and the end of this horizontal lock-screw is against on described vertical slide plate through after described lateral threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310014380.XA CN103063119B (en) | 2013-01-05 | 2013-01-05 | A kind of gear key groove angle detection ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310014380.XA CN103063119B (en) | 2013-01-05 | 2013-01-05 | A kind of gear key groove angle detection ruler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103063119A CN103063119A (en) | 2013-04-24 |
| CN103063119B true CN103063119B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310014380.XA Expired - Fee Related CN103063119B (en) | 2013-01-05 | 2013-01-05 | A kind of gear key groove angle detection ruler |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644826B (en) * | 2013-12-27 | 2016-09-28 | 淄博柴油机总公司 | A kind of inclined hole detection device |
| CN108303232A (en) * | 2018-03-07 | 2018-07-20 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of registration device measuring model in wind tunnel rotational angle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434635Y (en) * | 2000-08-17 | 2001-06-13 | 江苏理工大学 | Correct timing angle measurer |
| JP2002085380A (en) * | 2000-09-14 | 2002-03-26 | Hikari Berukomu:Kk | Angle measuring instrument |
| CN2809589Y (en) * | 2005-07-04 | 2006-08-23 | 首钢总公司 | Detector for spiral gear with duplex tapered teeth |
| CN201285270Y (en) * | 2008-10-29 | 2009-08-05 | 奇瑞汽车股份有限公司 | Measuring tool |
| CN201764921U (en) * | 2010-06-22 | 2011-03-16 | 中北大学 | Indexing protractor for machining |
| CN202974160U (en) * | 2013-01-05 | 2013-06-05 | 慈溪市飞达齿轮厂 | Gear key slot angle detection gauge |
-
2013
- 2013-01-05 CN CN201310014380.XA patent/CN103063119B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434635Y (en) * | 2000-08-17 | 2001-06-13 | 江苏理工大学 | Correct timing angle measurer |
| JP2002085380A (en) * | 2000-09-14 | 2002-03-26 | Hikari Berukomu:Kk | Angle measuring instrument |
| CN2809589Y (en) * | 2005-07-04 | 2006-08-23 | 首钢总公司 | Detector for spiral gear with duplex tapered teeth |
| CN201285270Y (en) * | 2008-10-29 | 2009-08-05 | 奇瑞汽车股份有限公司 | Measuring tool |
| CN201764921U (en) * | 2010-06-22 | 2011-03-16 | 中北大学 | Indexing protractor for machining |
| CN202974160U (en) * | 2013-01-05 | 2013-06-05 | 慈溪市飞达齿轮厂 | Gear key slot angle detection gauge |
Non-Patent Citations (1)
| Title |
|---|
| 对正时齿轮的角度指标测量方法的探讨;王陲等;《新疆技术监督》;20010630(第3期);全文 * |
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Owner name: NINGBO HONGSEN GEAR CO., LTD. Free format text: FORMER OWNER: CIXI FEIDA GEAR FACTORY Effective date: 20150906 |
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Effective date of registration: 20150906 Address after: 315333 Zhejiang city of Ningbo province Cixi Kuangyan Gaojiacun Applicant after: Ningbo Hongsen Gear Co.,Ltd. Address before: 315333 Zhejiang province Cixi Kuangyan town industrial district Applicant before: Cixi Feida Gear Factory |
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Effective date of registration: 20180326 Address after: 211100 Xi Yan Road, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu Patentee after: NANJING HUASHI GEAR TRANSMISSION EQUIPMENT CO.,LTD. Address before: 315333 Zhejiang city of Ningbo province Cixi Kuangyan Gaojiacun Patentee before: Ningbo Hongsen Gear Co.,Ltd. |
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Granted publication date: 20151125 |